<!DOCTYPE html>
<html>
<head>
    <title>Nested Second page</title>
</head>
<body>
<button id="nested-second-page-btn">button</button>

<script>
    document.getElementById('nested-second-page-btn').addEventListener('click', function () {
        window.nestedSecondPageBtnClickCount = (window.nestedSecondPageBtnClickCount || 0) + 1;
    });
</script>
</body>
</html>
